CN109314939A - 一种频率同步的方法、基站和系统 - Google Patents

一种频率同步的方法、基站和系统 Download PDF

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Publication number
CN109314939A
CN109314939A CN201780037638.4A CN201780037638A CN109314939A CN 109314939 A CN109314939 A CN 109314939A CN 201780037638 A CN201780037638 A CN 201780037638A CN 109314939 A CN109314939 A CN 109314939A
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CN
China
Prior art keywords
base station
frequency
offset
phase
frequency offset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201780037638.4A
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English (en)
Inventor
胡军
曹海兵
罗亚军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN109314939A publication Critical patent/CN109314939A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明实施例涉及通信领域，尤其基站的频率同步。在一种频率同步的方法中，第一基站获取第二基站的第二频率偏移量，以及确定第一基站和第二基站之间的频率差，并根据第二频率偏移量和该频率差确定第一基站的第一频率偏移量，以及根据第一频率偏移量进行频率同步。通过本发明实施例的方案，第一基站可以在不依赖同步以太网的情况下，通过第一基站与第二基站之间的交互确定第一基站的第一频率偏移量，从而进行频率同步。

Description

PCT国内申请，说明书已公开。

Claims (25)

  1. PCT国内申请，权利要求书已公开。
CN201780037638.4A 2016-06-17 2017-02-15 一种频率同步的方法、基站和系统 Pending CN109314939A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNPCT/CN2016/086272 2016-06-17
CN2016086272 2016-06-17
PCT/CN2017/073643 WO2017215280A1 (zh) 2016-06-17 2017-02-15 一种频率同步的方法、基站和系统

Publications (1)

Publication Number Publication Date
CN109314939A true CN109314939A (zh) 2019-02-05

Family

ID=60663952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780037638.4A Pending CN109314939A (zh) 2016-06-17 2017-02-15 一种频率同步的方法、基站和系统

Country Status (8)

Country Link
US (1) US20190141649A1 (zh)
EP (1) EP3461189B1 (zh)
JP (1) JP2019518391A (zh)
KR (1) KR20190018683A (zh)
CN (1) CN109314939A (zh)
BR (1) BR112018076319A2 (zh)
CA (1) CA3028026A1 (zh)
WO (1) WO2017215280A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111954304A (zh) * 2020-07-03 2020-11-17 京信通信系统（中国）有限公司 一种帧偏移量的传输方法、装置、设备及介质
CN114126027A (zh) * 2020-08-26 2022-03-01 上海华为技术有限公司 一种获取累计偏差的方法，装置以及相关设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101420747A (zh) * 2008-11-12 2009-04-29 华为技术有限公司 同步方法、基站、网络服务器以及通信系统
CN101478341A (zh) * 2009-02-12 2009-07-08 华为技术有限公司 实现基站时钟同步的方法及装置
CN102137048A (zh) * 2010-01-22 2011-07-27 中兴通讯股份有限公司 一种频偏估计的方法及系统
CN103476104A (zh) * 2012-06-08 2013-12-25 华为技术有限公司 频率同步方法及装置
US20150131607A1 (en) * 2013-11-10 2015-05-14 Telefonaktiebolaget L M Ericsson (Publ) Over-the-air frequency and time synchronization for small cells

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101420747A (zh) * 2008-11-12 2009-04-29 华为技术有限公司 同步方法、基站、网络服务器以及通信系统
CN101478341A (zh) * 2009-02-12 2009-07-08 华为技术有限公司 实现基站时钟同步的方法及装置
CN102137048A (zh) * 2010-01-22 2011-07-27 中兴通讯股份有限公司 一种频偏估计的方法及系统
CN103476104A (zh) * 2012-06-08 2013-12-25 华为技术有限公司 频率同步方法及装置
US20150131607A1 (en) * 2013-11-10 2015-05-14 Telefonaktiebolaget L M Ericsson (Publ) Over-the-air frequency and time synchronization for small cells

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111954304A (zh) * 2020-07-03 2020-11-17 京信通信系统（中国）有限公司 一种帧偏移量的传输方法、装置、设备及介质
CN111954304B (zh) * 2020-07-03 2023-12-19 京信网络系统股份有限公司 一种帧偏移量的传输方法、装置、设备及介质
CN114126027A (zh) * 2020-08-26 2022-03-01 上海华为技术有限公司 一种获取累计偏差的方法，装置以及相关设备
CN114126027B (zh) * 2020-08-26 2024-04-09 上海华为技术有限公司 一种获取累计偏差的方法，装置以及相关设备

Also Published As

Publication number Publication date
CA3028026A1 (en) 2017-12-21
KR20190018683A (ko) 2019-02-25
WO2017215280A1 (zh) 2017-12-21
EP3461189A1 (en) 2019-03-27
EP3461189B1 (en) 2020-08-26
US20190141649A1 (en) 2019-05-09
JP2019518391A (ja) 2019-06-27
EP3461189A4 (en) 2019-05-15
BR112018076319A2 (pt) 2019-03-26

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Application publication date: 20190205

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